43422444044 has 12 divisors (see below), whose sum is σ = 86844888144. Its totient is φ = 18609618864.

The previous prime is 43422444019. The next prime is 43422444047. The reversal of 43422444044 is 44044422434.

It is a happy number.

43422444044 is an admirable number.

It is a super-2 number, since 2×43422444044² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43422443995 and 43422444013.

It is not an unprimeable number, because it can be changed into a prime (43422444047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775400759 + ... + 775400814.

It is an arithmetic number, because the mean of its divisors is an integer number (7237074012).

Almost surely, 2^43422444044 is an apocalyptic number.

It is an amenable number.

43422444044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43422444044 is a wasteful number, since it uses less digits than its factorization.

43422444044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550801584 (or 1550801582 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 43422444044 its reverse (44044422434), we get a palindrome (87466866478).

The spelling of 43422444044 in words is "forty-three billion, four hundred twenty-two million, four hundred forty-four thousand, forty-four".